Solved

Star a Has an Absolute Magnitude of 2

Question 56

Multiple Choice

Star A has an absolute magnitude of 2.5 and star B has an apparent magnitude of 2.5, but star A is a main sequence star and star B is a red giant. Which statement below is correct?


A) Star A appears brighter than star B, but star B and star A have the same intrinsic brightness.
B) Star B appears brighter than star A, but star B and star A have the same intrinsic brightness.
C) Star A and star B appear to have the same brightness, but star B is intrinsically brighter than star A.
D) Star A and star B appear to have the same brightness, but star A is intrinsically brighter than star B.
E) It is impossible to determine how bright these stars are or appear to be relative to one another, given the information above.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions